Pipe joints or couplings – Nonmetal to metal – Internal member
Patent
1976-03-01
1977-07-05
Callaghan, Thomas F.
Pipe joints or couplings
Nonmetal to metal
Internal member
2853827, F16L 3320
Patent
active
040336140
ABSTRACT:
This is concerned with a conduit fitting for use with so-called flexible metallic conduit which has an inner, helically wound metal core covered by a flexible insulating sheath or coat of rubber or the like. The fitting is specifically constructed and adapted to provide a liquid-tight seal and mechanical connection between the ends of the conduit and the fitting with the mechanical connection and liquid-tight seal being affected by the same structure.
REFERENCES:
patent: 2321260 (1943-06-01), Stecher
patent: 2579529 (1951-12-01), Woodling
patent: 2782060 (1957-02-01), Appleton
patent: 3006664 (1961-10-01), Appleton et al.
patent: 3030130 (1962-04-01), Appleton
patent: 3219367 (1965-11-01), Franck
patent: 3239252 (1966-03-01), Schmitt et al.
patent: 3659880 (1972-05-01), Goldsobel
patent: 3708186 (1973-01-01), Takagi et al.
patent: 3791680 (1974-02-01), Cleare
Callaghan Thomas F.
Ideal Industries Inc.
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